Context Mode vs Codemcp

A side-by-side look at the Context Mode and Codemcp MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.

Context Mode logoContext ModeCoding Agents · Local subprocess (stdio)Context window optimization for AI coding agents. Sandboxes tool output (98% reduction), persists session memory, and enforces routing across 17 platforms via MCP + hooks.69GreatAuth: no auth requiredCodemcp logoCodemcpCoding Agents · Local subprocess (stdio)Coding agent with basic read, write and command line tools.44FairAuth: no auth required

Verdict: choose Context Mode for coding agents work as a local process; choose Codemcp for coding agents as a local process. You can also run both side by side in one mcpServers block.

Which MCP server should you choose?

Context Mode logoChoose Context Mode when

  • You need dedicated capabilities in the Coding Agents domain.
  • You prefer a local stdio subprocess transport.
  • Its auth model fits you: No auth required.
  • You want tools like ctx_batch_execute, ctx_execute, ctx_execute_file.
Explore Context Mode

Codemcp logoChoose Codemcp when

  • You need dedicated capabilities in the Coding Agents domain.
  • You prefer a local stdio subprocess transport.
  • Its auth model fits you: No auth required.
Explore Codemcp

Feature & specification comparison

Rows where the two servers differ are marked.

SpecContext Mode logoContext ModeCodemcp logoCodemcp
CategoryCoding AgentsCoding Agents
Quality signal69/100 · Great44/100 · Fair
Install commandConfirmedConfirmed
TransportLocal subprocess (stdio)Local subprocess (stdio)
AuthNo auth requiredNo auth required
PricingFreeFree
Required env varsNone listedNone listed
Verified ownerCommunity listingCommunity listing
GitHub stars31,9231,605
Directory activity 2 views 0 installs 0 upvotes 6 views 0 installs 0 upvotes
Tools10Not listed

Tools & capabilities

Context Mode tools 10

  • ctx_batch_executeRun multiple commands + search multiple queries in ONE call. Opt-in `concurrency: 1-8` for I/O-bound batches.
  • ctx_executeRun code in 12 languages. Only stdout enters context.
  • ctx_execute_fileProcess files in sandbox. Raw content never leaves.
  • ctx_indexChunk markdown into FTS5 with BM25 ranking.
  • ctx_searchQuery indexed content with multiple queries in one call.
  • ctx_fetch_and_indexFetch URL, chunk and index. Cache reuses content within TTL (default 24h, override per-call with `ttl: <ms>`). `ttl: 0` or `force: true` to bypass. Pass `requests: [{url, source}, ...]` + `concurrency: 1-8` for parallel multi-URL.
  • ctx_statsShow context savings, call counts, and session statistics.
  • ctx_doctorDiagnose installation: runtimes, hooks, FTS5, versions.
  • ctx_upgradeUpgrade to latest version from GitHub, rebuild, reconfigure hooks.
  • ctx_purgePermanently deletes all indexed content from the knowledge base.

Codemcp tools

No tool names declared yet. Check the project README from the listing page.

Ready-to-paste client configs

Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.

Context Mode

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "context-mode": {
      "command": "npx",
      "args": [
        "-y",
        "context-mode"
      ]
    }
  }
}

Codemcp

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "ezyang-codemcp": {
      "command": "uvx",
      "args": [
        "--from",
        "git+https://github.com/ezyang/codemcp@prod",
        "codemcp"
      ]
    }
  }
}

Frequently asked questions

Context Mode is categorized under Coding Agents and uses a local stdio subprocess. Codemcp belongs to Coding Agents and uses a local stdio subprocess. Pick Context Mode for coding agents work and Codemcp for coding agents.

Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.

Context Mode is listed as free. Auth: no auth required. Codemcp is listed as free. Auth: no auth required. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.

Yes. MCP clients support multiple servers: add context-mode and ezyang-codemcp as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, Context Mode has a quality signal of 69/100 (Great) with 2 views, 0 installs and 31,923 GitHub stars. Codemcp has 44/100 (Fair) with 6 views, 0 installs and 1,605 GitHub stars.